TRYNYTYhealth:enablement
MA Enrollment Explorer / Colorado / San Juan County

Medicare Advantage in San Juan County, Colorado

32 people in San Juan County, Colorado were enrolled in Medicare Advantage in October 2026, 18.7% of 171 eligible beneficiaries (0.0 pts since October 2025). Humana Inc. is the largest parent organization with 100% of reported enrollment; 1 parent organizations have 11 or more members and the HHI is 10,000 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 9 to 9.

18.7%MA penetration, October 2026
32MA enrollees
100%leading parent's share
18.6%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Colorado

Parent organizations in San Juan County

Parent organizationMembersChange since October 2025Share
Humana Inc.18−1100.0%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 17 beneficiaries in San Juan County were assigned to 8 Medicare Shared Savings Program ACOs, 18.6% of assignable Original Medicare beneficiaries. Together, roughly 34% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.